The vCenter Server maximums represents limits for vCenter Server scalability, user interface, concurrent operations, and vCenter Server Appliance.

Table 1. vCenter Server Maximums

Item

Maximum

vCenter Server Scalability

Hosts per vCenter Server

2000

Powered-on virtual machines per vCenter Server

25,000

Registered virtual machines per vCenter Server

35,000

Linked vCenter Servers

15

Hosts in linked vCenter Servers

5000

Powered-on virtual machines in linked vCenter Servers

50,000

Registered virtual machines in linked vCenter Servers

70,000

Number of host per datacenter

2000

MAC addresses per vCenter Server (using default VMware OUI)

65,536

vSphere Web Client User Interface

Concurrent vSphere Web Clients (Flex) connections to vCenter Server (Limit is applicable for both linked mode and per VC)

180

Maximum mixed vSphere Client (HTML5) + vSphere Web Client simultaneous connections per VC

60 (30 Flex, 30 maximum HTML5)

Maximum supported inventory for vSphere Client (HTML5)

10,000 VMs, 1,000 Hosts

Concurrent operations

vMotion operations per host (1 Gb/s network)

4

vMotion operations per host (10 Gb/s network)

8

vMotion operations per datastore

128

Storage vMotion operations per host

2

Storage vMotion operations per datastore

8

Non-vMotion provisioning operations per host

8

vCenter Server Windows embedded/packaged vPostgres

Hosts (with embedded vPostgres database)

20

Virtual machines (with embedded vPostgres database)

200

Content Library

Total content library items per VC (across all libraries)

2000

Biggest content library item size

1 TB

Total number of libraries per VC

1000

Total items per library

1000

Maximum number of concurrent sync operations on the published library's VC

16

This limit is applicable to libraries published by vCenter Server and not to third party libraries.

Host Profile

Profile created

500

Limit is tested with hosts, powered on VMs and datastores.

Profile attached

500

Limit is tested with hosts, powered on VMs and datastores.